September weather in Porto Velho, Brazil
Averages from 150 days in September across 2020–2024.
Typical conditions
| Average high | 34.2°C |
|---|---|
| Average low | 23.9°C |
| Average mean | 28.2°C |
| Total precipitation | 258.4 mm |
| Rainy days | 81 |
| Average precipitation hours | 2 h |
| Average max wind speed | 10.1 km/h |
| Average sunshine | 10.2 h/day |
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